function getParam(name) {
	console.log("getParam name = " + name);
		var reg = new RegExp('(^|&)' + name + '=([^&]*)(&|$)', 'i');
		var r = window.location.search.substr(1).match(reg);
		if (r != null) {
		return unescape(r[2]);
		}
		return null;
}
